diff --git a/targets/SIMU/USER/Makefile b/targets/SIMU/USER/Makefile
index 27aaa933e59b7efbae4ba1635565600a59666289..e075c0af396340e399c8cf27047665e3b21e89a5 100644
--- a/targets/SIMU/USER/Makefile
+++ b/targets/SIMU/USER/Makefile
@@ -147,7 +147,12 @@ endif
 
 ifeq ($(MIH_C_MEDIEVAL_EXTENSIONS), 1)
 CFLAGS += -DMIH_C_MEDIEVAL_EXTENSIONS
+ifeq ($(USE_3GPP_ADDR_AS_LINK_ADDR), 1)
+CFLAGS += -DUSE_3GPP_ADDR_AS_LINK_ADDR
 endif
+endif
+
+
 
 ifeq ($(NAS), 1)
 CFLAGS += -DNAS_NETLINK -DLINUX